20161735740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{138113}}^1$

素因数の和:138939

約数の個数: 72

約数和(自身を含む): 61233118128

約数和(自身を除く): 41071382388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 811, 1622, 2433, 3244, 4055, 4866, 7299, 8110, 9732, 12165, 14598, 16220, 24330, 29196, 36495, 48660, 72990, 138113, 145980, 276226, 414339, 552452, 690565, 828678, 1243017, 1381130, 1657356, 2071695, 2486034, 2762260, 4143390, 4972068, 6215085, 8286780, 12430170, 24860340, 112009643, 224019286, 336028929, 448038572, 560048215, 672057858, 1008086787, 1120096430, 1344115716, 1680144645, 2016173574, 2240192860, 3360289290, 4032347148, 5040433935, 6720578580, 10080867870, 20161735740]

約数ペア:

[(1, 20161735740), (2, 10080867870), (3, 6720578580), (4, 5040433935), (5, 4032347148), (6, 3360289290), (9, 2240192860), (10, 2016173574), (12, 1680144645), (15, 1344115716), (18, 1120096430), (20, 1008086787), (30, 672057858), (36, 560048215), (45, 448038572), (60, 336028929), (90, 224019286), (180, 112009643), (811, 24860340), (1622, 12430170), (2433, 8286780), (3244, 6215085), (4055, 4972068), (4866, 4143390), (7299, 2762260), (8110, 2486034), (9732, 2071695), (12165, 1657356), (14598, 1381130), (16220, 1243017), (24330, 828678), (29196, 690565), (36495, 552452), (48660, 414339), (72990, 276226), (138113, 145980)]